三氧化钨

三氧化钨（WO3）是一种具有广泛应用前景的功能材料，在电致变色、气体传感和化学催化等方面已得到较为系统的研究。

Tungsten trioxide ( WO3 ), as one kind of functional materials , has been investigated systematically because of its potential for technological applications , such as electrochromic devices , gas detection and chemical catalyst .

建立了人造白钨中三氧化钨的测定方法。

Method of determinating of tungsten trioxide in artificial scheelite is described .

分光光度法测定黑钨矿浸出液中的PGB/T6150.1-1985钨精矿化学分析方法钨酸铵灼烧法测定三氧化钨量

Methods for chemical analysis of tungsten concentrates & The ammonium tungstate igniting gravimetric method for the determination of tungsten trioxide content

利用XRD和AFM等分析表征了三氧化钨薄膜的晶格结构和表面形貌，实验发现所制备的三氧化钨为非晶结构，具有相对平整的表面。

The structure and the surface morphology of the thin films were characterized by XRD , AFM .

通过扫描电镜、ICP、光度分析测定，三氧化钨可达99.9%。

Tungsten trioxide is 99 . 9 % ( by scanning electron microscopy , ICP , photometric analysis ) .

本文分别用X衍射仪、隧道-原子力显微镜、傅立叶变换红外光谱仪、双束紫外可见分光光度计、快速伏安循环法等表征了用以上两种方法制备的三氧化钨掺杂薄膜。

The tungsten oxide films with catalyst by two methods were characterized by X - diffractometer , tunnel scan-atomic force microscope , FT-IR , double-beam UV-VIS-NIR spectrophotometer and speediness volt-ampere cycle meter .

三氧化钨（WO3）和二氧化锡（SnO2）是重要的功能材料，它们的气敏性能，得到越来越多的研究。

Tungsten Oxide ( WO3 ) and Tin Oxide ( SnO2 ) are both important functional materials . Due to their excellent gas-sensing properties , over the years increasing amount of research activities has been dedicated to these materials .

采用射频溅射三氧化钨粉末靶的技术，在不同的氧分压条件下沉积得到非晶态WO3电致变色薄膜，分析得知氧分压为1∶10的样品变色性能更好些。

A series of WO 3 films are prepared by rf sputtering under different partial pressures of oxygen . It is found that the films with oxygen partial pressure ratio 1 ∶ 10 have better electrochronic ( EC ) properties than others .

三氧化钨一维纳米结构气敏性能研究

Research on the Gas Sensing Properties of Tungsten Oxide One-dimensional Nanostructures

三氧化钨与二氯化钙的固相反应机理

Study on the solid state reaction of tungsten trioxide and calcium chloride

三氧化钨薄膜材料制备的现状及研究趋势

Current Status and Developmental Trend of Preparation of WO_3 Thin-film

三氧化钨电致变色薄膜最佳掺杂含量的理论计算

The Theoretical Calculation of Optimum Doping Content in Tungsten Trioxide Electrochromic Films

添加聚乙烯醇改善三氧化钨电致变色薄膜性能的研究

Study on improvement of electrochromic properties of tungstic oxide film by PVA-doping

三氧化钨晶化薄膜的制备及微观结构研究

On preparation of WO_3 crystal film and its microstructure

改进的苯胺萃取法提纯三氧化钨

Purifying of the Tungsten Trioxide with Improved Extractive Method of the Amino - Benzene

三氧化钨氢还原时碱金属元素引起的钨粉超常规粗化现象

Investigation on Uncoventional Coarsening of W Powder by Alkali Metal Elements during WO_3 Reduction

三氧化钨纳米棒的制备、表征及其光催化性能研究

Preparation of WO_3 nanorods and its photocatalytic performances

三氧化钨靶的升华制备

Preparation of WO_3 target by using sublimate method

三氧化钨的光催化氧化性能研究

A Study of Photocatalytic Oxidation Performance of WO_3

复盐法生产不同颗粒度三氧化钨工艺实践

Technological practice for producing tungstic trioxide of distinct granular degree with the complex salt method

三氧化钨与双季铵盐超薄有序分子沉积膜的制备及其结构研究

Preparation and characterization of ultrathin ordered molecular deposition films of wo_3 and BIS-QUARTERNARY ammonium salt

铜试剂银法测定高纯三氧化钨中微量砷的研究

Determination of micro amount of arsenic in high-purity tungsten trioxide by copper reagent silver method

高纯三氧化钨中20种痕量杂质元素的光谱分析三种苦竹属竹笋营养成分和矿质元素含量分析

Content analyses of nutrients and mineral elements in bamboo shoots of three species of Pleioblastus

利用十二烷基硫酸钠的增感作用测定金属钨及三氧化钨中的锰

Determination of manganese in tungsten and tungsten oxide by enhancing effect of sodium dodecyl sulfate

电致变色显示中非晶三氧化钨薄膜的分析研究

Analysis of a-WO_3 Films in Electrochromic Display

三氧化钨靶的升华制备三氟化氮制备方法概述

Preparation of WO_3 target by using sublimate method Development in methods of producing nitrogen trifluoride

并对3种制备方法的不同制备条件进行了探讨，实验发现不同制备条件对三氧化钨粉体粒径有较大影响，研究得出了每种方法的最佳制备条件。

The effect of different preparation conditions in three preparation methods was discussed on particle size .

通过这一系列过程将钨酸纯化，然后高温灼烧即得高纯三氧化钨。

The purified precipitate burns at elevated temperature and high pure tungsten trioxide can be obtained .

本论文采用微波辅助合成法，方便快捷的合成了钨酸盐、钼酸盐和三氧化钨纳米粉体材料。

Here , we prepared tungstates , molybdates and tungsten trioxide nanostructure materials by microwave-assisted method .

探讨了微波煅烧仲钨酸铵制取三氧化钨的新工艺。

The new process of calcine for ammonium paratungstate to tungsten trioxide by microwave was investigated .